diff mbox series

[1/2] hugemmap32: release mem caches and prepare for hugepage

Message ID 20230529061135.24261-1-liwang@redhat.com
State Accepted
Headers show
Series [1/2] hugemmap32: release mem caches and prepare for hugepage | expand

Commit Message

Li Wang May 29, 2023, 6:11 a.m. UTC 
As Martin pointed that mem caches count as available, we'd better
release them for huge page use.

Signed-off-by: Li Wang <liwang@redhat.com>
---
 testcases/kernel/mem/hugetlb/hugemmap/hugemmap32.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Li Wang June 21, 2023, 2:52 a.m. UTC | #1 
ping~

If nobody objects to these two simple improvements,
I would push both the next day.

On Mon, May 29, 2023 at 2:11 PM Li Wang <liwang@redhat.com> wrote:

> As Martin pointed that mem caches count as available, we'd better
> release them for huge page use.
>
> Signed-off-by: Li Wang <liwang@redhat.com>
> ---
>  testcases/kernel/mem/hugetlb/hugemmap/hugemmap32.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap32.c
> b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap32.c
> index 36a426a09..76b790a95 100644
> --- a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap32.c
> +++ b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap32.c
> @@ -64,6 +64,7 @@ static void setup(void)
>
>         SAFE_CLOSEDIR(dir);
>
> +       SAFE_FILE_PRINTF("/proc/sys/vm/drop_caches", "3");
>         if (tst_available_mem() < (long long)hpage_size) {
>                 g_hpage_path[0] = '\0';
>                 tst_brk(TCONF, "No enough memory for gigantic hugepage
> reservation");
> --
> 2.40.1
>
>
> --
> Mailing list info: https://lists.linux.it/listinfo/ltp
>
>
Li Wang June 22, 2023, 8:56 a.m. UTC | #2 
On Wed, Jun 21, 2023 at 10:52 AM Li Wang <liwang@redhat.com> wrote:

> ping~
>
> If nobody objects to these two simple improvements,
> I would push both the next day.
>

Both pushed, thanks!
diff mbox series

Patch

diff --git a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap32.c b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap32.c
index 36a426a09..76b790a95 100644
--- a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap32.c
+++ b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap32.c
@@ -64,6 +64,7 @@  static void setup(void)
 
 	SAFE_CLOSEDIR(dir);
 
+	SAFE_FILE_PRINTF("/proc/sys/vm/drop_caches", "3");
 	if (tst_available_mem() < (long long)hpage_size) {
 		g_hpage_path[0] = '\0';
 		tst_brk(TCONF, "No enough memory for gigantic hugepage reservation");